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Email: info@nsjbio.com
- Tel: 858.663.9055
- Email: info@nsjbio.com
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Preferentially expressed antigen in melanoma (PRAME), also known as Opa-interacting protein 4, is a cancer-testis antigen involved in transcriptional regulation, tumor-associated immune signaling, and cellular differentiation pathways. PRAME Antibody / Tumor Immunology Marker is useful for studying tumor immunology, cancer-testis antigen expression, and malignancy-associated transcriptional regulation pathways. PRAME antibody, also referred to as Preferentially expressed antigen in melanoma antibody and Opa-interacting protein 4 antibody in the literature, recognizes a tumor-associated antigen broadly expressed across multiple malignancies and restricted normal tissue compartments.
PRAME is predominantly localized within the nucleus, although cytoplasmic expression patterns have also been reported depending on tissue type and tumor context. The protein functions in transcriptional regulatory pathways associated with retinoic acid signaling suppression, cellular differentiation control, and tumor-associated proliferative signaling. Under normal physiologic conditions, PRAME expression is generally limited to testis and selected reproductive tissues, while expression becomes strongly elevated across a broad spectrum of cancers including melanoma, leukemia, ovarian carcinoma, lung cancer, sarcoma, breast carcinoma, and additional solid tumor types.
Because PRAME demonstrates highly restricted normal tissue distribution combined with elevated tumor-associated expression, this target has become increasingly important in cancer immunology, diagnostic pathology, and immunotherapy research. PRAME-associated signaling pathways have been investigated in tumor immune evasion, cellular proliferation, differentiation blockade, and oncogenic transcriptional reprogramming mechanisms. Expression of PRAME has also become highly relevant in studies examining tumor classification, prognostic stratification, and antigen-directed therapeutic strategies.
In surgical pathology research, PRAME immunohistochemistry is widely used to evaluate melanocytic lesions and assist in distinguishing melanoma from benign melanocytic proliferations. PRAME expression has also been studied in hematologic malignancies, soft tissue tumors, gynecologic cancers, and metastatic disease models. Immunohistochemistry studies commonly demonstrate nuclear staining patterns within tumor cell populations consistent with the transcription-associated functions of PRAME-related signaling pathways.
A recombinant rabbit monoclonal clone PRAME/8558R antibody can be used for studies examining cancer-testis antigen biology and tumor-associated immune signaling pathways. Because PRAME functions at the intersection of tumor immunology, transcriptional regulation, and malignancy-associated antigen expression, this target remains highly relevant for studies focused on melanoma biology, immunotherapy development, tumor classification, and cancer-associated transcriptional signaling mechanisms.
Researchers studying cancer-testis antigens, tumor-associated immune signaling, and melanoma-associated transcriptional regulation pathways may also be interested in our broader Cancer Antibodies collection featuring markers involved in tumor immunology, oncogenic signaling, and immunotherapy research.
Optimal dilution of the PRAME Antibody / Tumor Immunology Marker should be determined by the researcher.
A recombinant partial protein sequence (within amino acids 100-509) from the human protein was used as the immunogen for the PRAME antibody.
Aliquot the PRAME antibody and store frozen at -20oC or colder. Avoid repeated freeze-thaw cycles.
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